This achievement is unlocked choosing your partner's Star Card layout during a multiplayer match. Start a match with a friend and invite them to be your partner. As the match starts you have the option to choose a Star Card layout. Your partner's Star Cards will be at the far right. Select it and you will spawn into the game with their cards. Each time you die and re-spawn back into the match, it will count as one use. This also doesn't need to be completed in one game.